---
title: "预留关键字（Oracle 模式） - OceanBase 数据库 V4.3.5 | OceanBase 文档中心"
description: 预留关键字（Oracle 模式） 功能适用性 该内容仅适用于 OceanBase 数据库企业版。OceanBase 数据库社区版仅提供了 MySQL 模式。 目前，OceanBase 数据库 Oracle 模式下的预留关键字如下所示。 以下是整理后的表格，结构清晰，易于阅读： 字母 A ACCESS ADD ALL …
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---
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文档反馈![](https://mdn.alipayobjects.com/huamei_22khvb/afts/img/A*P8CuR4UJ_FkAAAAAAAAAAAAADiGDAQ/original) OceanBase 数据库分布式版 - V 4.3.5 LTS

# 预留关键字（Oracle 模式）

更新时间：2026-07-15 20:42:46

[编辑](https://github.com/oceanbase/oceanbase-doc/edit/V4.3.5/zh-CN/700.reference/500.sql-reference/900.reserved-keywords-of-oracle-mode.md)

#### 功能适用性

该内容仅适用于 OceanBase 数据库企业版。OceanBase 数据库社区版仅提供了 MySQL 模式。

目前，OceanBase 数据库 Oracle 模式下的预留关键字如下所示。

以下是整理后的表格，结构清晰，易于阅读：

| 字母 |  |  |  | |
| --- | --- | --- | --- | --- |
| A | ACCESS | ADD | ALL | ALTER |
|  | AND | ANY | AS | ASC |
|  | AUDIT |  |  | |
| B | BETWEEN | BY |  | |
| C | CHAR | CHECK | CLUSTER | COLUMN |
|  | COMMENT | COMPRESS | CONNECT | CREATE |
|  | CURRENT | CASE | CONNECT_BY_ROOT | |
| D | DATE | DECIMAL | DEFAULT | DELETE |
|  | DESC | DISTINCT | DROP | DUAL |
| E | ELSE | EXCLUSIVE | EXISTS | |
| F | FILE | FLOAT | FOR | FROM |
| G | GRANT | GROUP |  | |
| H | HAVING |  |  | |
| I | IDENTIFIED | IMMEDIATE | IN | INCREMENT |
|  | INDEX | INITIAL | INSERT | INTEGER |
|  | INTERSECT | INTO | IS | |
| L | LEVEL | LIKE | LOCK | LONG |
|  | LOG |  |  | |
| M | MAXEXTENTS | MINUS | MODE | MODIFY |
| N | NOAUDIT | NOCOMPRESS | NOT | NOTFOUND |
|  | NOWAIT | NULL | NUMBER | |
| O | OF | OFFLINE | ON | ONLINE |
|  | OPTION | OR | ORDER | |
| P | PCTFREE | PRIOR | PRIVILEGES | PUBLIC |
|  | RAW |  |  | |
| R | RENAME | RESOURCE | REVOKE | ROW |
|  | ROWID | ROWLABEL | ROWNUM | ROWS |
| S | START | SELECT | SESSION | SET |
|  | SHARE | SIZE | SMALLINT | SUCCESSFUL |
|  | SYNONYM | SYSDATE | SQL_CALC_FOUND_ROWS | |
| T | TABLE | THEN | TO | TRIGGER |
| U | UID | UNION | UNIQUE | UPDATE |
|  | USER |  |  | |
| V | VALIDATE | VALUES | VARCHAR | VARCHAR2 |
|  | VIEW |  |  | |
| W | WHENEVER | WHERE | WITH | |

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